acotyledon

[ ey-kot-l-eed-n, ey-kot- ]
/ ˈeɪˌkɒt lˈid n, eɪˌkɒt- /

noun

a plant without cotyledons, therefore one belonging to a group lower than the seed plants.

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Origin of acotyledon

First recorded in 1810–20; a-6 + cotyledon

OTHER WORDS FROM acotyledon

a·cot·y·le·don·ous [ey-kot-l-eed-n-uhs, ey-kot-], /ˈeɪˌkɒt lˈid n əs, eɪˌkɒt-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for acotyledon

acotyledon
/ (əˌkɒtɪˈliːdən) /

noun

any plant, such as a fern or moss, that does not possess cotyledons

Derived forms of acotyledon

acotyledonous, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012